From: Mark Salter <msalter-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
To: Leif Lindholm <leif.lindholm-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
Cc: Ard Biesheuvel
<ard.biesheuvel-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
matt.fleming-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org,
linux-efi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
roy.franz-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org,
catalin.marinas-5wv7dgnIgG8@public.gmane.org,
mark.rutland-5wv7dgnIgG8@public.gmane.org
Subject: Re: [PATCH] efi/arm64: efistub: don't abort if base of DRAM is occupied
Date: Tue, 15 Jul 2014 09:11:00 -0400 [thread overview]
Message-ID: <1405429860.25580.25.camel@deneb.redhat.com> (raw)
In-Reply-To: <20140715100221.GU4179-t77nlHhSwNqAroYi2ySoxKxOck334EZe@public.gmane.org>
On Tue, 2014-07-15 at 11:02 +0100, Leif Lindholm wrote:
> > @@ -273,6 +282,10 @@ static void __init free_boot_services(void)
> > continue;
> > }
> >
> > + /* Don't free anything below kernel */
> > + if (md->phys_addr < PHYS_OFFSET)
> > + continue;
> > +
>
> Is the spin table area really allocated as BOOT_SERVICES_*?
>
No. It is EFI_RESERVED_TYPE. But if UEFI is allowed below the kernel,
then there could be BS code/data memory which we'd want to ignore.
next prev parent reply other threads:[~2014-07-15 13:11 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-14 15:25 [PATCH] efi/arm64: efistub: don't abort if base of DRAM is occupied Ard Biesheuvel
[not found] ` <1405351521-12010-1-git-send-email-ard.biesheuvel-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2014-07-14 15:27 ` Ard Biesheuvel
2014-07-14 18:40 ` Mark Salter
[not found] ` <1405363248.25580.12.camel-PDpCo7skNiwAicBL8TP8PQ@public.gmane.org>
2014-07-15 10:02 ` Leif Lindholm
[not found] ` <20140715100221.GU4179-t77nlHhSwNqAroYi2ySoxKxOck334EZe@public.gmane.org>
2014-07-15 11:05 ` Mark Rutland
2014-07-15 13:11 ` Mark Salter [this message]
[not found] ` <1405429860.25580.25.camel-PDpCo7skNiwAicBL8TP8PQ@public.gmane.org>
2014-07-15 13:54 ` Leif Lindholm
[not found] ` <20140715135418.GV4179-t77nlHhSwNqAroYi2ySoxKxOck334EZe@public.gmane.org>
2014-07-15 14:23 ` Mark Salter
[not found] ` <1405434206.25580.31.camel-PDpCo7skNiwAicBL8TP8PQ@public.gmane.org>
2014-07-15 14:31 ` Mark Rutland
2014-07-15 14:49 ` Leif Lindholm
[not found] ` <20140715144944.GW4179-t77nlHhSwNqAroYi2ySoxKxOck334EZe@public.gmane.org>
2014-07-15 15:04 ` Mark Salter
[not found] ` <1405436677.25580.34.camel-PDpCo7skNiwAicBL8TP8PQ@public.gmane.org>
2014-07-15 15:28 ` Leif Lindholm
[not found] ` <20140715152836.GX4179-t77nlHhSwNqAroYi2ySoxKxOck334EZe@public.gmane.org>
2014-07-16 13:13 ` Mark Salter
[not found] ` <1405516428.25580.58.camel-PDpCo7skNiwAicBL8TP8PQ@public.gmane.org>
2014-07-22 17:08 ` Leif Lindholm
[not found] ` <20140722170818.GD4179-t77nlHhSwNqAroYi2ySoxKxOck334EZe@public.gmane.org>
2014-07-22 19:28 ` Mark Salter
[not found] ` <1406057330.12484.21.camel-PDpCo7skNiwAicBL8TP8PQ@public.gmane.org>
2014-07-22 21:28 ` Leif Lindholm
2014-07-15 11:00 ` Mark Rutland
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